[PATCH] D12074: [WinEHPrepare] Replace unreasonable funclet terminators with unreachable

[David Majnemer via llvm-commits]

majnemer created this revision.
majnemer added a reviewer: JosephTremoulet.
majnemer added a subscriber: llvm-commits.

It is possible to be in a situation where more than one funclet token is
a valid SSA value.  If we see a terminator which exits a funclet which
doesn't use the funclet's token, replace it with unreachable.

http://reviews.llvm.org/D12074

Files:
  lib/CodeGen/WinEHPrepare.cpp
  test/CodeGen/WinEH/wineh-demotion.ll

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